From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753270AbaCaSdg (ORCPT ); Mon, 31 Mar 2014 14:33:36 -0400 Received: from mail-wi0-f178.google.com ([209.85.212.178]:51257 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752150AbaCaSdf convert rfc822-to-8bit (ORCPT ); Mon, 31 Mar 2014 14:33:35 -0400 From: Arkadiusz Miskiewicz To: linux-kernel@vger.kernel.org Subject: Re: Support for netconsole as default tty/console? Date: Mon, 31 Mar 2014 20:33:31 +0200 User-Agent: KMail/1.13.7 (Linux/3.14.0-rc7-00066-g774868c; KDE/4.12.3; x86_64; ; ) Cc: One Thousand Gnomes , Andreas Schwab , Struan Bartlett References: <87r45lqcm7.fsf@igel.home> <20140331111833.76af70e0@alan.etchedpixels.co.uk> In-Reply-To: <20140331111833.76af70e0@alan.etchedpixels.co.uk> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 8BIT Message-Id: <201403312033.31492.a.miskiewicz@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday 31 of March 2014, One Thousand Gnomes wrote: > On Sat, 29 Mar 2014 15:54:24 +0100 > > Andreas Schwab wrote: > > Struan Bartlett writes: > > > Adding console=netconsole to the command line does not appear to have > > > the desired effect. I am not sure if this is because netconsole, > > > unlike the serial console, does not provide a tty. Can anyone advise > > > if this understanding is correct? If so, is there an independent > > > solution to this problem? > > > > It should not be hard to add a tty driver to netconsole, there are many > > examples to borrow from. > > Samo Pogacnik added a generic solution a few years ago. The ttyprintk > driver provides you with a tty/console whose 'hardware' is printk and > thus whatever system log device you are using. Is there a way to get two devices working as console? For example I would like to have console on tty0 and on netconsole at the same time. Right now only one, last console gets all userspace messages. > Alan -- Arkadiusz Miśkiewicz, arekm / maven.pl